The Archdiocesan Athletic Association (AAA) was a high school athletic conference comprising private high schools located in the St. Louis metro area. Most were Catholic schools, operated by the Archdiocese of St. Louis. The Conference disbanded in 2022.
Members The Archdiocesan Athletic Association consisted of eleven high schools. The conference was divided into two divisions, split into larger and smaller schools. The conference comprised schools in Class 3, Class 4, and Class 5 (in basketball).
Archdiocesan Athletic Association (AAA) School Nickname Colors City County Type Bishop DuBourg Cavaliers St. Louis St. Louis City Private Cardinal Ritter Lions St. Louis St. Louis City Private Duchesne Pioneers St. Charles St. Charles Private Father Tolton Trailblazers Columbia Boone Private Christian High School Eagles O'Fallon St. Charles Private Lutheran St. Charles Cougars St. Peters St. Charles PrivateNotre Dame Rebels Lemay St. Louis County Private/All Female Rosati-Kain Kougars St. Louis St. Louis City Private/All Female St. Dominic Crusaders O'Fallon St. Charles Private St. Francis Borgia Knights Washington Franklin Private St. Mary's Dragons St. Louis St. Louis City Private/All Male
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